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/* Copyright (C) 2011-2016 Matthias Vogelgesang <matthias.vogelgesang@kit.edu>
(Karlsruhe Institute of Technology)
This library is free software; you can redistribute it and/or modify it
under the terms of the GNU Lesser General Public License as published by the
Free Software Foundation; either version 2.1 of the License, or (at your
option) any later version.
This library is distributed in the hope that it will be useful, but WITHOUT
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
details.
You should have received a copy of the GNU Lesser General Public License along
with this library; if not, write to the Free Software Foundation, Inc., 51
Franklin St, Fifth Floor, Boston, MA 02110, USA */
#include <glib-object.h>
#include <gio/gio.h>
#include <string.h>
#include <uca/uca-camera.h>
#include <uca/uca-plugin-manager.h>
#include "uca-net-protocol.h"
static gchar *
get_camera_list (UcaPluginManager *manager)
{
GList *types;
GString *str;
manager = uca_plugin_manager_new ();
types = uca_plugin_manager_get_available_cameras (manager);
str = g_string_new ("[ ");
if (types != NULL) {
for (GList *it = g_list_first (types); it != NULL; it = g_list_next (it)) {
gchar *name = (gchar *) it->data;
if (g_list_next (it) == NULL)
g_string_append_printf (str, "%s ]", name);
else
g_string_append_printf (str, "%s, ", name);
}
}
else {
g_string_append (str, "]");
}
g_list_free_full (types, g_free);
g_object_unref (manager);
return g_string_free (str, FALSE);
}
static GOptionContext *
uca_option_context_new (UcaPluginManager *manager)
{
GOptionContext *context;
gchar *camera_list;
camera_list = get_camera_list (manager);
context = g_option_context_new (camera_list);
g_free (camera_list);
return context;
}
static void
handle_get_property_request (gpointer user_data, const gchar *name, gchar *value)
{
UcaCamera *camera;
GParamSpec *pspec;
GValue prop_value = {0};
GValue str_value = {0};
camera = user_data;
pspec = g_object_class_find_property (G_OBJECT_GET_CLASS (camera), name);
g_value_init (&prop_value, g_type_is_a (pspec->value_type, G_TYPE_ENUM) ? G_TYPE_INT : pspec->value_type);
g_object_get_property (G_OBJECT (camera), name, &prop_value);
g_value_init (&str_value, G_TYPE_STRING);
g_value_transform (&prop_value, &str_value);
strncpy (value, g_value_get_string (&str_value), sizeof (g_value_get_string (&str_value)));
}
static void
handle_set_property_request (gpointer user_data, const gchar *name, const gchar *value, GError **error)
{
UcaCamera *camera;
GParamSpec *pspec;
GValue prop_value = {0};
GValue str_value = {0};
camera = user_data;
pspec = g_object_class_find_property (G_OBJECT_GET_CLASS (camera), name);
g_value_init (&prop_value, g_type_is_a (pspec->value_type, G_TYPE_ENUM) ? G_TYPE_INT : pspec->value_type);
g_value_init (&str_value, G_TYPE_STRING);
g_value_set_string (&str_value, value);
g_value_transform (&str_value, &prop_value);
g_object_set_property (G_OBJECT (camera), name, &prop_value);
}
static void
handle_start_recording_request (gpointer user_data, GError **error)
{
uca_camera_start_recording (UCA_CAMERA (user_data), error);
}
static void
handle_stop_recording_request (gpointer user_data, GError **error)
{
uca_camera_stop_recording (UCA_CAMERA (user_data), error);
}
static gboolean
handle_grab_request (gpointer data, gpointer user_data, GError **error)
{
return uca_camera_grab (UCA_CAMERA (user_data), data, error);
}
static gboolean
run_callback (GSocketService *service, GSocketConnection *connection, GObject *source, gpointer user_data)
{
GInetSocketAddress *sock_address;
GInetAddress *address;
gchar *address_string;
UcaNetHandlers handlers = {
.user_data = user_data,
.get_property = handle_get_property_request,
.set_property = handle_set_property_request,
.start_recording = handle_start_recording_request,
.stop_recording = handle_stop_recording_request,
.grab = handle_grab_request,
};
sock_address = G_INET_SOCKET_ADDRESS (g_socket_connection_get_remote_address (connection, NULL));
address = g_inet_socket_address_get_address (sock_address);
address_string = g_inet_address_to_string (address);
g_message ("Connection accepted from %s:%u", address_string, g_inet_socket_address_get_port (sock_address));
g_free (address_string);
g_object_unref (sock_address);
uca_net_server_register_handlers (&handlers);
uca_net_server_handle (connection);
return FALSE;
}
static void
serve (UcaCamera *camera, GError **error)
{
GMainLoop *loop;
GSocketService *service;
service = g_threaded_socket_service_new (1);
if (!g_socket_listener_add_inet_port (G_SOCKET_LISTENER (service), 8989, NULL, error))
return;
g_signal_connect (service, "run", G_CALLBACK (run_callback), camera);
loop = g_main_loop_new (NULL, TRUE);
g_main_loop_run (loop);
}
int
main (int argc, char **argv)
{
GOptionContext *context;
UcaPluginManager *manager;
UcaCamera *camera;
GError *error = NULL;
static GOptionEntry entries[] = { { NULL } };
#if !(GLIB_CHECK_VERSION (2, 36, 0))
g_type_init();
#endif
manager = uca_plugin_manager_new ();
context = uca_option_context_new (manager);
g_option_context_add_main_entries (context, entries, NULL);
if (!g_option_context_parse (context, &argc, &argv, &error)) {
g_print ("Failed parsing arguments: %s\n", error->message);
goto cleanup_manager;
}
if (argc < 2) {
g_print ("%s\n", g_option_context_get_help (context, TRUE, NULL));
goto cleanup_manager;
}
camera = uca_plugin_manager_get_camera (manager, argv[argc - 1], &error, NULL);
if (camera == NULL) {
g_print ("Error during initialization: %s\n", error->message);
goto cleanup_camera;
}
if (!uca_camera_parse_arg_props (camera, argv, argc - 1, &error)) {
g_print ("Error setting properties: %s\n", error->message);
goto cleanup_manager;
}
if (error != NULL)
g_print ("Error: %s\n", error->message);
g_option_context_free (context);
serve (camera, &error);
cleanup_camera:
g_object_unref (camera);
cleanup_manager:
g_object_unref (manager);
return error != NULL ? 1 : 0;
}
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